Thought it would be useful to share what I learned this week, to save others from making the same mistakes.
*Email verification and bounce rates.*
I got my email list from anymailfinder, they say that they verify the emails as well. I am sure they do, but I guess their methods are not as good as say MillionVerifier.
Around 10% of my email (11 from about 100 so far) were bouncing.
I took the list of bounced emails and verified them in MillionVerifier.
Of the 11 that bounced MillionVerifier found:
So MillionVerifier definitely finds more genuine risky emails than AnyMailFinder.
From 251 emails out of AnyMailFinder only 81% were 'good', and 6% were bad!
So lesson learned: AnyMailFinder verification is not good enough and misses ~20% of 'bad' or 'risky' emails!